CAS number index

CAS numbers starting with 21, page 20

8,045 chemicals have a CAS number that starts with 21. They are listed in CAS order.

Showing 1,901 to 2,000 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2131158-87-5N-([1,1'-Biphenyl]-2-yl)-9,9'-spirobi[fluoren]-3-amineC₃₇H₂₅N483.61
213118-56-0tert-Butyl N-(2-amino-4-methoxyphenyl)carbamateC₁₂H₁₈N₂O₃238.29
21312-10-7N(4)-acetylsulfamethoxazoleC₁₂H₁₃N₃O₄S295.32
2131223-64-65-Methyl-1-(2-methylphenyl)-N-quinolin-2-yltriazole-4-carboxamideC₂₀H₁₇N₅O343.39
2131223-85-11-(2-Bromophenyl)-5-methyl-N-(quinolin-2-yl)-1H-pyrazole-4-carboxamideC₂₀H₁₅BrN₄O407.27
213125-05-4N-(2-Methyl-3-nitrophenyl)furan-2-carboxamideC₁₂H₁₀N₂O₄246.22
213130-43-93-Chloro-4-cyanobenzene-1-sulfonyl chlorideC₇H₃Cl₂NO₂S236.08
213132-06-0Nebivolol hydrochlorideC₂₂H₂₆ClF₂NO₄441.90
213133-77-82-(3,4-Dichlorobenzyl)-1H-benzo[d]imidazoleC₁₄H₁₀Cl₂N₂277.15
213137-53-2Iromycin AC₁₉H₂₉NO₂303.45
21314-09-09-Phenyl-3,9-dihydro-6H-purine-6-thioneC₁₁H₈N₄S228.28
21314-17-01,5-Dihydro-1-phenyl-4H-pyrazolo(3,4-d)pyrimidin-4-oneC₁₁H₈N₄O212.21
21314-77-2Pyridin-3-yl(thiophen-2-yl)methanolC₁₀H₉NOS191.25
21315-20-82-IsobutoxyphenolC₁₀H₁₄O₂166.22
21315-46-84-Butylamino-chromen-2-oneC₁₃H₁₅NO₂217.27
21315-53-74-(2-Hydroxyethylamino)chromen-2-oneC₁₁H₁₁NO₃205.21
21315-63-9N-Benzyl-1-benzofuran-2-carboxamideC₁₆H₁₃NO₂251.28
21315-67-3SerpyllinC₂₀H₂₀O₈388.37
21316-30-32,4-Diamino-5,6-dihydro-6,6-dimethyl-5-(4'-methoxyphenyl)-s-triazineC₁₂H₁₇N₅O247.30
21316-80-33-(1,1-Dimethyl-2-propen-1-yl)-7-hydroxy-6-(3-methyl-2-buten-1-yl)-2H-1-benzopyran-2-oneC₁₉H₂₂O₃298.38
213179-56-72-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-1H-imidazoleC₁₁H₈Cl₂N₂239.10
213179-96-5YS 51C₂₀H₂₀BrNO₂386.29
21318-90-14-ButylphenylguanineC₁₅H₁₇N₅O283.33
213182-22-0AM-3102C₂₁H₄₁NO₂339.56
213186-59-54-Oxo-4-[4-(pyridin-2-yl)piperazin-1-yl]butanoic acidC₁₃H₁₇N₃O₃263.30
213186-60-84-Oxo-4-[4-(pyrimidin-2-yl)piperazin-1-yl]butanoic acidC₁₂H₁₆N₄O₃264.29
21319-53-91-Benzylpiperidine-2-carboxylic acidC₁₃H₁₇NO₂219.28
213190-12-64-Bromo-2-fluoro-N-methylanilineC₇H₇BrFN204.04
213192-26-8Methyl 2-amino-6-(tert-butyl)-4,5,6,7-tetrahydrobenzo(b)thiophene-3-carboxylateC₁₄H₂₁NO₂S267.39
213192-56-43-Amino-3-(4-(trifluoromethoxy)phenyl)propanoic acidC₁₀H₁₀F₃NO₃249.19
213193-32-95-Acetyl-2-methoxypyridineC₈H₉NO₂151.16
2132-59-41,2-Bis(4-ethoxyphenyl)ethane-1,2-dioneC₁₈H₁₈O₄298.34
2132-70-9Methoxychlor olefinC₁₆H₁₄Cl₂O₂309.19
2132-80-11,1'-Biphenyl, 4,4'-dimethoxy-C₁₄H₁₄O₂214.26
21320-30-92-[(3,4-Dichlorophenoxy)methyl]oxiraneC₉H₈Cl₂O₂219.07
21320-31-0Emd-90076C₆H₁₁N₅153.19
21320-37-66-(Chloromethyl)-N2,N2-dimethyl-1,3,5-triazine-2,4-diamineC₆H₁₀ClN₅187.63
21320-62-74-Chloro-6-methyl-1,3,5-triazin-2-amineC₄H₅ClN₄144.56
21320-63-84-Chloro-N,N,6-trimethyl-1,3,5-triazin-2-amineC₆H₉ClN₄172.62
21320-80-9RefChem:854850C₁₆H₁₃NO₄283.28
21320-90-15-Nitrotoluene-2-sulfonyl chlorideC₇H₆ClNO₄S235.65
21320-91-22-Methoxy-4-nitrobenzenesulfonyl chlorideC₇H₆ClNO₅S251.65
21320-92-34-Amino-2-methylbenzenesulfonyl fluorideC₇H₈FNO₂S189.21
21320-94-52-Methoxy-4-nitrobenzenesulfonyl fluorideC₇H₆FNO₅S235.19
21320-99-01-Phenyl-2-sulfanylidene-2,3-dihydropyrimidin-4(1H)-oneC₁₀H₈N₂OS204.25
213203-65-74-(Bromomethyl)-2-fluoro-1-(trifluoromethyl)benzeneC₈H₅BrF₄257.02
213203-84-01-(Bromomethyl)-3-((trifluoromethyl)sulfanyl)benzeneC₈H₆BrF₃S271.10
21321-03-9Baker's antifolC₂₃H₃₁FN₆O₆S₂570.67
21321-07-31-PhenyluracilC₁₀H₈N₂O₂188.19
213211-69-9(2-Ethoxyphenyl)boronic acidC₈H₁₁BO₃165.99
21322-93-03-(Fluorosulfonyl)-4-methylbenzoic acidC₈H₇FO₄S218.21
21323-71-77-Chloro-3-methyl-3H-1,2,3-triazolo(4,5-d)pyrimidineC₅H₄ClN₅169.57
21323-98-83-(4-(tert-Butoxy)phenyl)propanoic acidC₁₃H₁₈O₃222.28
21324-31-23-Benzyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-olC₁₁H₉N₅O227.23
21324-39-0Sodium hexafluorophosphateF₆NaP167.95
21324-40-3Lithium hexafluorophosphateF₆LiP151.90
2132402-81-2Dimethyl((2-((2S)-pyrrolidin-2-yl)ethyl))amine dihydrochlorideC₈H₂₀Cl₂N₂215.17
21325-07-5Carbamothioic acid, S-methyl esterC₂H₅NOS91.14
21325-46-25-(2-Phenylethyl)pyrimidine-2,4(1H,3H)-dioneC₁₂H₁₂N₂O₂216.24
21325-47-35-(3-Phenylpropyl)-1H-pyrimidine-2,4-dioneC₁₃H₁₄N₂O₂230.27
21325-49-55-PhenylcytosineC₁₀H₉N₃O187.20
213250-70-5DP-001C₂₇H₄₄O₃416.65
213251-00-44-Chloro-2-(4-methyl-1,3-thiazol-2-yl)-3-oxobutanenitrileC₈H₇ClN₂OS214.68
213251-05-95-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-cyclohexyl-2,3-dihydro-1H-pyrrol-3-oneC₁₇H₂₀N₄O296.37
213251-07-15-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-hexyl-2,3-dihydro-1H-pyrrol-3-oneC₁₇H₂₂N₄O298.39
213251-08-25-Amino-4-(1H-benzimidazol-2-yl)-1-sec-butyl-2H-pyrrol-3-oneC₁₅H₁₈N₄O270.34
213251-22-05-Amino-4-(benzo[d]thiazol-2-yl)-1-(furan-2-ylmethyl)-1H-pyrrol-3(2H)-oneC₁₆H₁₃N₃O₂S311.37
213251-30-05-Amino-4-(4-methyl-1,3-thiazol-2-yl)-1-(2-phenylethyl)-1,2-dihydro-3H-pyrrol-3-oneC₁₆H₁₇N₃OS299.40
213252-19-85-((2,4-Dioxo-5-thiazolidinyl)methyl)-2-methoxy-N-((4-(trifluoromethyl)phenyl)methyl)benzamideC₂₀H₁₇F₃N₂O₄S438.43
213258-56-12,5-Dimethyl-1,3-thiazole-4-carbaldehydeC₆H₇NOS141.19
21326-62-53-Chloro-2-methylbutan-2-olC₅H₁₁ClO122.59
21326-90-92-(Morpholin-4-yl)-1,3-benzoxazoleC₁₁H₁₂N₂O₂204.23
213261-59-72,5-Bis(5-hydroxymethyl-2-thienyl)furanC₁₄H₁₂O₃S₂292.38
213265-83-94,6-Dichloro-5-fluoropyrimidineC₄HCl₂FN₂166.97
21327-14-0(3-Bromophenyl)thioureaC₇H₇BrN₂S231.12
21327-86-62-Chloro-6-methylbenzoic acidC₈H₇ClO₂170.59
213274-89-6Adamantane-1,3,5-tricarboxylic acidC₁₃H₁₆O₆268.26
21328-16-5N-[2-(4-Fluorophenyl)-1,1-dimethylethyl]formamideC₁₁H₁₄FNO195.24
21328-74-5Cadmium, (29H,31H-phthalocyaninato(2-)-kappaN29,kappaN30,kappaN31,kappaN32)-, (SP-4-1)-C₃₂H₂₂CdN₈631.00
2132961-46-5(S)-N-(5-(2-(1-Cyclopropylethyl)-7-(methylsulfonyl)-1-oxoisoindolin-5-yl)-4-methylthiazol-2-yl)acetamideC₂₀H₂₃N₃O₄S₂433.56
2133-34-82-Azetidinecarboxylic acid, (S)-C₄H₇NO₂101.11
2133-40-6Methyl L-prolinate hydrochlorideC₆H₁₂ClNO₂165.62
2133-65-5N-CyclohexylphthalimideC₁₄H₁₅NO₂229.28
2133-80-45-Amino-3,6-dihydro-3-beta-D-ribofuranosyl-7H-1,2,3-triazolo(4,5-d)pyrimidin-7-oneC₉H₁₂N₆O₅284.23
2133-81-52-Amino-9-(2-deoxy-alpha-D-erythro-pentofuranosyl)-1,9-dihydro-6H-purine-6-thioneC₁₀H₁₃N₅O₃S283.31
21330-56-39-AzidoacridineC₁₃H₈N₄220.24
2133017-36-2N-(3,4-Difluorophenyl)-1,3,5-trimethyl-4-[2-oxo-2-(prop-2-ynylamino)acetyl]pyrrole-2-carboxamideC₁₉H₁₇F₂N₃O₃373.36
2133033-27-72-Fluoro-1-(pyridin-3-yl)ethan-1-olC₇H₈FNO141.15
21331-43-14-(2-Naphthyl)-1,3-thiazol-2-amineC₁₃H₁₀N₂S226.30
21331-80-6(2-(Dimethylamino)ethyl)triphenylphosphonium bromideC₂₂H₂₅BrNP414.33
213315-70-9tert-Butyl N-((3R)-4-methylpent-1-yn-3-yl)carbamateC₁₁H₁₉NO₂197.28
213316-20-21-((tert-Butoxycarbonyl)amino)cyclopent-3-enecarboxylic acidC₁₁H₁₇NO₄227.26
213316-32-6rac-Ethyl (1R,2S)-1-amino-2-ethenylcyclopropane-1-carboxylateC₈H₁₃NO₂155.20
213318-44-61-(tert-Butoxycarbonyl)indole-2-boronic Acid (contains varying amounts of Anhydride)C₁₃H₁₆BNO₄261.09
21332-86-56-Chloro-2-methoxyacridineC₁₄H₁₀ClNO243.69
21332-93-46-m-Tolylamino-1H-pyrimidine-2,4-dioneC₁₁H₁₁N₃O₂217.23
21332-96-7Uracil, 6-(p-butylanilino)-C₁₄H₁₇N₃O₂259.31
21332-98-96-(2,4-Dimethylanilino)-2,4(1H,3H)-pyrimidinedioneC₁₂H₁₃N₃O₂231.25
213329-45-415,18-Dihydroxyabieta-8,11,13-trien-7-oneC₂₀H₂₈O₃316.44
213329-46-518-Nor-4,15-dihydroxyabieta-8,11,13-trien-7-oneC₁₉H₂₆O₃302.41

All pages for 21 (81 pages)Show all

Every CAS number here is checked for a valid check digit. Confirm it with the supplier before you order. CAS Registry Number is a registered trademark of the American Chemical Society.